Garage Door Torsion Spring Help via /r/DIY

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Garage Door Torsion Spring Help

Garage Door Specs

Drums: D400-96-21B

Weight of Door: 267 lbs

Door size: 7’ x 16'

Before I start, I know the risk involved when it comes to working with torsion springs on a garage door. I've replaced my springs last year so I know how to do it but I also know the risk. The springs I have on right now are springs I ordered online and replaced myself after the original ones broke.

The springs I currently have on are .25" wires, 2" Inside Diameter, 29 1/2" length. The door still feels too heavy, I figured it worked so we kind of just dealt with it for a year. But I think it's time I replace them since the garage door slamming is driving me crazy, along with me being worried that it will damage the garage door opener along with the door.

I contacted the original manufacturer of the door and they told me that the correct size spring for my door is supposed to be .234" x 2" x 25". This is weird to me, because they're pretty much saying I should be going down in size, which to me is kind of counterintuitive. Then I contacted another source and they told me a similar spring size as the manufacturer did. Then 2 other sources I contacted told me I should go larger with a pair of .243 x 2" x 30 1/2" .

Which is correct? I can do the job myself, just having a hard time getting the right size. It's hard to go against manufacturer suggestions but it just doesn't make sense to me to go smaller. Sorry, I just don't want to install the wrong size and have to take it off and replace it again.

https://imgur.com/a/ySp0xRI

TLDR

Garage door feels too heavy, so I'm replacing torsion spring, currently have on a pair of 29.5 " in length spring. Contacted 4 different merchants for proper size needed according to current door specs. Two of the sources(including door manufacturer), suggested 25" in length, this is a drastic change from 29.5". And two of the other sources suggested a 31.5" in length . It makes more sense to go larger in length right? This would be going against manufacturer recommendations.

Submitted May 25, 2021 at 10:27PM by sttruong
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